dutchman.pt
10-02-2004, 19:33
E aqui estão as primeiras DDR II.
Os timming não parecem grande coisa mas certamente serão compensados com as velocidades avassaladoras. :D
http://www.corsairmicro.com/corsair/images/xms2_r1_c1.jpg
@ Corsair Homepage
Since mid-2003, Corsair has been involved with DDR2 development through the JEDEC association, which establishes industry standards for electronics. Our participation has allowed us to be among the first companies to reach the market with DDR2 memory modules. We’re calling the family XMS2. Initial product offerings will look similar to our classic XMS memory. Bookmark this page as we will be adding updated information and links on DDR2 and XMS2. For more information on DDR2 technology, see Tech Resources.
Coming soon! The future of memory: Corsair’s DDR2 memory.
We’re already sampling DDR2 modules which we’ll be releasing under the brand name XMS2.
While motherboards supporting this next generation memory will not hit the streets until April, our motherboard partners and gaming OEMs are already putting them to through their paces. Review sites are expected to begin testing Corsair XMS2 modules in February. To get a first glimpse of XMS2 in action, visit us at the Spring Intel Developers’ Forum in San Francisco February 17-19 where we’ll be presenting a live demo of the product in Intel motherboards. Over the next several weeks, we’ll be posting FAQs, white papers and web pages explaining more about DDR2 memory and Corsair XMS2. You’ll find this information on our website under the XMS products section and under Tech Resources.
@ Tech-Pc.co.uk
The DDR-II is coming! Not really as menacing as 'The English are coming!' but sure to strike confusion into the minds and panic into the wallets of computing enthusiasts everywhere.
You see this new memory is certainly not far off with chipsets supporting it lining up for release in the coming months, yet surprising few people seem to really know much about it or what benefits it may bring. There are relatively few informed articles on the subject, the only one which really comes to mind being Lost Circuits eight page monster which while full of information is hardly what you could call light reading.
The basic jist of things is that DDR-II can offer double the overall memory bandwidth of DDR memory for the same speed module by effectively using two DRAM cores per device instead of one as used by DDR. Technically there is still only one DRAM core but it is accessed in parellel allowing it to deal with 4 data pre-fetches instead of two. This combined with data buffers running at double data rate means that for each clock cycle up to 4-bits of data can be dealt with instead of the 2-bits regular DDR can handle.
The trade off for this increase in bandwidth comes in the form of increased latencies, the number of clock cycles certain operations take to be carried out.
CAS (Column Address Strobe) latency, the number of cycles it takes for a column in memory to be selected, is expected to rise from 2 cycles as seen on current low latency modules and 3 cycles as used by very high bus speed DDR to most likely a minimum of 4 or 5 cycles for DDR-II. Similarly tRAS, the delay before being able to select a new row in memory, is likely to increase with 8 cycles looking to be the lowest it will be able to go, the same as is currently used on high speed DDR with some low latency DDR being able to run 5 cycles for tRAS.
http://www.corsairmicro.com/corsair/images/xms2_package.gif
Link da Homepage da Corsair com as DDR II (http://www.corsairmicro.com/corsair/xms2.html)
Artigo da Tech-Pc acerca das DDR II : DDR-II Speculation Article (http://www.tech-pc.co.uk/ddr2.php)
Cumprimentos
Os timming não parecem grande coisa mas certamente serão compensados com as velocidades avassaladoras. :D
http://www.corsairmicro.com/corsair/images/xms2_r1_c1.jpg
@ Corsair Homepage
Since mid-2003, Corsair has been involved with DDR2 development through the JEDEC association, which establishes industry standards for electronics. Our participation has allowed us to be among the first companies to reach the market with DDR2 memory modules. We’re calling the family XMS2. Initial product offerings will look similar to our classic XMS memory. Bookmark this page as we will be adding updated information and links on DDR2 and XMS2. For more information on DDR2 technology, see Tech Resources.
Coming soon! The future of memory: Corsair’s DDR2 memory.
We’re already sampling DDR2 modules which we’ll be releasing under the brand name XMS2.
While motherboards supporting this next generation memory will not hit the streets until April, our motherboard partners and gaming OEMs are already putting them to through their paces. Review sites are expected to begin testing Corsair XMS2 modules in February. To get a first glimpse of XMS2 in action, visit us at the Spring Intel Developers’ Forum in San Francisco February 17-19 where we’ll be presenting a live demo of the product in Intel motherboards. Over the next several weeks, we’ll be posting FAQs, white papers and web pages explaining more about DDR2 memory and Corsair XMS2. You’ll find this information on our website under the XMS products section and under Tech Resources.
@ Tech-Pc.co.uk
The DDR-II is coming! Not really as menacing as 'The English are coming!' but sure to strike confusion into the minds and panic into the wallets of computing enthusiasts everywhere.
You see this new memory is certainly not far off with chipsets supporting it lining up for release in the coming months, yet surprising few people seem to really know much about it or what benefits it may bring. There are relatively few informed articles on the subject, the only one which really comes to mind being Lost Circuits eight page monster which while full of information is hardly what you could call light reading.
The basic jist of things is that DDR-II can offer double the overall memory bandwidth of DDR memory for the same speed module by effectively using two DRAM cores per device instead of one as used by DDR. Technically there is still only one DRAM core but it is accessed in parellel allowing it to deal with 4 data pre-fetches instead of two. This combined with data buffers running at double data rate means that for each clock cycle up to 4-bits of data can be dealt with instead of the 2-bits regular DDR can handle.
The trade off for this increase in bandwidth comes in the form of increased latencies, the number of clock cycles certain operations take to be carried out.
CAS (Column Address Strobe) latency, the number of cycles it takes for a column in memory to be selected, is expected to rise from 2 cycles as seen on current low latency modules and 3 cycles as used by very high bus speed DDR to most likely a minimum of 4 or 5 cycles for DDR-II. Similarly tRAS, the delay before being able to select a new row in memory, is likely to increase with 8 cycles looking to be the lowest it will be able to go, the same as is currently used on high speed DDR with some low latency DDR being able to run 5 cycles for tRAS.
http://www.corsairmicro.com/corsair/images/xms2_package.gif
Link da Homepage da Corsair com as DDR II (http://www.corsairmicro.com/corsair/xms2.html)
Artigo da Tech-Pc acerca das DDR II : DDR-II Speculation Article (http://www.tech-pc.co.uk/ddr2.php)
Cumprimentos